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Glossary
Customer feedback

What is Changelog?

A changelog is a chronological record of all notable changes made to a software project, including new features, bug fixes, and performance improvements. It serves as a historical document that helps users and stakeholders understand how a product has evolved over time. Unlike technical commit logs, a product changelog is typically written in plain language for end-users to highlight delivered value.

When to use it

Teams use changelogs to maintain transparency with their users and demonstrate a consistent pace of product improvement. It should be updated whenever a new version is released or a significant feature is deployed. This practice reduces support inquiries by proactively answering common questions about what has changed and helps re-engage users by highlighting new functionality.

Example

A SaaS team prioritizing 4 features for Q3 might use a changelog to announce the release of a new mobile app, a dark mode setting, and a fix for a common login error. Instead of just listing technical build numbers, the entry explains that 'Dark Mode' was a top-voted request and provides a link to the new documentation. This specific update allows the 150 users who voted for the feature to see their feedback in action immediately. By maintaining this log, the team builds trust and demonstrates active development to potential buyers.

How Planet Roadmap helps with Changelog

Planet Roadmap has a public feedback portal that lets you publish a changelog to close the loop with users who voted for specific features once they are shipped.

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FAQ

How is a changelog different from release notes?
Changelogs are typically public-facing feeds focused on user value and continuous updates, whereas release notes are often more technical documents tied to a specific version number or software build.
Should every internal code change be included in the changelog?
No; a product changelog should focus on changes that impact the user experience. Internal refactors or minor dependency updates are usually omitted to keep the log readable and focused on new value delivered to the customer.

Related terms

Release NotesPublic RoadmapFeedback PortalFeature RequestMilestone

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